Method for trapping and killing tea lesser leafhoppers with plant repellent and attractant in push-pull manner

Abstract

The invention provides a method for trapping and killing tea lesser leafhoppers with a plant repellent and an attractant in a push-pull manner. The 41-51mg / mL attractant is prepared from the followingvolatile matters from branches and leaves of flemingia macrophylla at a proportion: cis-3-hexen-1-ol, cis-3-hexen-acetic ester, ocimene, methyl salicylate, cis-3-hexen-butyric ester, dodecane, hexadecane and nonanal. The 15-25mg / mL of two-component repellent is prepared from the following ingredients at a proportion: thymol and 2-isopropyl-4-methyl anisole. The tea lesser leafhoppers prevail frommid-May to mid-July and from September to November every year, a lure loaded with the repellent is bound in tea bushes during prevailing, and the leafhoppers are repelled out by the repellent; meanwhile, a bud green sticky board with an attractant lure is fixed above the tea bushes, and the leafhoppers are attracted to the sticky board by the attractant; 15-20 sets of 'push-pull' combinations areplaced per mu, so that a large amount of leafhoppers are trapped and killed, and green prevention and control can be achieved.

Description

technical field

[0001] The invention belongs to the field of plant protection, and relates to fixing a repellent lure in the tea bushes to repel the leafhopper during the serious damage of the important pest tea green leafhopper in the tea garden, directly facing the repellent lure, on the tea tip Place bud green sticky boards with attractant lure cores to attract leafhoppers, and place a certain density of repellent and attractant + sticky board combinations in the control area, so as to trap and kill leaves with repellent and attractant "push-pull" For cicadas, chemical control is reduced or exempted. Background technique

[0002] Tea leafhopper Empoascaflavescens F. is the most serious pest in the tea area of ​​mainland my country, and has mainly relied on chemical control for decades. It has developed a high level of resistance to chemical pesticides such as acetamiprid and bifenthrin, and the control effect of chemical pesticides has decreased significantly. If the do...

Images